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            <h1 style="display: none">gdb调试技巧总结</h1>
            
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              <h1 id="参数说明"><a href="#参数说明" class="headerlink" title="参数说明"></a>参数说明</h1><table>
<thead>
<tr>
<th>参数</th>
<th>说明</th>
</tr>
</thead>
<tbody><tr>
<td>–batch</td>
<td>以执行命令模式运行，处理完相关命令后直接退出。不进行任何交互</td>
</tr>
<tr>
<td>–batch-silent</td>
<td>与–batch一样，但抑制所有 gdb stsdout 输出。</td>
</tr>
<tr>
<td>–quiet <br>-q</td>
<td>启动时不打印版本号信息</td>
</tr>
<tr>
<td>–eval-command=COMMAND<br> -ex</td>
<td>执行单个 GDB 命令。<br/>可以多次使用,且可以与 –command 结合使用。</td>
</tr>
<tr>
<td>–command=FILE<br>-x FILE</td>
<td>从 FILE 执行 GDB 命令。</td>
</tr>
<tr>
<td>–directory=DIR</td>
<td>在 DIR 中搜索源文件。</td>
</tr>
<tr>
<td>–pid=PID<br>-p PID</td>
<td>附加到正在运行的进程 PID。</td>
</tr>
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<h1 id="命令说明"><a href="#命令说明" class="headerlink" title="命令说明"></a>命令说明</h1><table>
<thead>
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<th>命令</th>
<th>说明</th>
</tr>
</thead>
<tbody><tr>
<td>set pagination off <br> set height 0</td>
<td>gdb就全部输出，无翻页选项</td>
</tr>
<tr>
<td>thread apply all</td>
<td>将命令应用于所有线程, 后跟要执行的命令，如 <font color="ff0000">bt full</font></td>
</tr>
<tr>
<td></td>
<td></td>
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<td></td>
<td></td>
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<h1 id="实用技巧"><a href="#实用技巧" class="headerlink" title="实用技巧"></a>实用技巧</h1><ul>
<li><p>打印运行进程的所有线程的堆栈信息</p>
<figure class="highlight dsconfig"><table><tr><td class="gutter"><div class="code-wrapper"><pre><span class="line">1</span><br><span class="line">2</span><br></pre></div></td><td class="code"><pre><code class="hljs dsconfig"><span class="hljs-comment"># 输出进程号为1234的进程的所有线程堆栈信息</span><br><span class="hljs-string">gdb</span> -<span class="hljs-string">q</span> <span class="hljs-built_in">--batch</span> <span class="hljs-built_in">--ex</span> <span class="hljs-string">&quot;set height 0&quot;</span> -<span class="hljs-string">ex</span> <span class="hljs-string">&quot;thread apply all bt full&quot;</span>  -<span class="hljs-string">p</span> <span class="hljs-string">1234</span><br></code></pre></td></tr></table></figure></li>
<li><p>直接数据core文件中的所有线程的堆栈信息</p>
<figure class="highlight dsconfig"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br></pre></td><td class="code"><pre><code class="hljs dsconfig"><span class="hljs-comment"># 输出二进制文件路径为proc_file，且core文件为xxx.core 的所有线程堆栈信息</span><br><span class="hljs-string">gdb</span> -<span class="hljs-string">q</span> <span class="hljs-built_in">--batch</span> <span class="hljs-built_in">--ex</span> <span class="hljs-string">&quot;set height 0&quot;</span> -<span class="hljs-string">ex</span> <span class="hljs-string">&quot;thread apply all bt full&quot;</span>  <span class="hljs-string">proc_file</span> <span class="hljs-string">xxx</span>.<span class="hljs-string">core</span><br></code></pre></td></tr></table></figure></li>
<li><p>加载源码目录</p>
<figure class="highlight awk"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br></pre></td><td class="code"><pre><code class="hljs awk"><span class="hljs-number">1</span>. 打开 gdb 并加载二进制文件和核心转储文件：<br>    gdb &lt;binary_file&gt; &lt;core_file&gt;<br><span class="hljs-number">2</span>. 在 gdb 的交互命令行下，使用 directory 命令来指定源码目录<br>   (gdb) directory <span class="hljs-regexp">/path/</span>to/source_code<br>   或以逗号分隔指定一个或多个源码目录<br>   (gdb) directory <span class="hljs-regexp">/path/</span>to<span class="hljs-regexp">/source_code1, /</span>path<span class="hljs-regexp">/to/</span>source_code2<br></code></pre></td></tr></table></figure></li>
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